World Library  
Flag as Inappropriate
Email this Article

Hass avocado

Article Id: WHEBN0002882046
Reproduction Date:

Title: Hass avocado  
Author: World Heritage Encyclopedia
Language: English
Subject: Avocado, Hass, Avocado oil, Shoot, La Habra, California
Publisher: World Heritage Encyclopedia

Hass avocado

Persea americana 'Hass'
Cultivar 'Hass'
Origin First grown at La Habra Heights, California in 1926 from the seed of an unknown or undetermined subspecies of Persea americana, patented 1935 in the US

The Hass avocado , sometimes marketed as the Haas avocado , is a [2][3]

The Hass avocado is a large-sized fruit[4] weighing 200-300 grams. When ripe the skin becomes a dark purplish-black and yields to gentle pressure.[5] When ready to serve, it becomes white-green in the middle part of the inner fruit.

Owing to its taste, size, shelf-life, high growing yield and in some areas, year-round harvesting, the Hass cultivar is the most commercially popular avocado worldwide. In the [2][5]


  • History 1
    • Fate of mother tree 1.1
  • Bearing pattern 2
  • Nutritional Value 3
  • References 4


A young Hass avocado sprout

All commercial, fruit-bearing Hass avocado trees have been grown from grafted seedlings propagated from a single tree which was grown from a seed bought by Rudolph Hass in 1926 from A. R. Rideout of [2]

In 1926, at his 1.5-[2] The Hass avocado had one of its first commercial successes at the Model Grocery Store on Colorado Street in Pasadena, California, where chefs working for some of the town's wealthy residents bought the new cultivar's big, nutty-tasting fruit for $1 each, a very high price at the time (more than US$15.00 of inflation adjusted value by 2007).

Hass [2] However, Hass made a profit of less than US$5,000 through the patent because cuttings from single trees sold by Brokaw were then propagated to graft whole orchards.[1]

Rudolph Hass carried on as a postman throughout his life and died of a [2]

By the early 21st century the US avocado industry took in over $1 billion a year from the heavy-bearing, high quality Hass cultivar, which accounted for around 80% of all avocados grown worldwide.[2]

Fate of mother tree

Owing to later suburban sprawl in Southern California, the mother tree stood for many years in front of a residence in La Habra Heights. The tree died when it was 76 years old and was cut down on 11 September 2002 after a ten-year fight with [2] Each year in mid-May the city of La Habra Heights celebrates the Hass avocado at its Annual La Habra Heights Avocado Festival.

Bearing pattern

Hass avocado trees, like some other cultivars, may only bear well every other year. After a year with low yield, often because of cold, for which the tree does not have much tolerance, yields may be very high the next year. However, the heavy crop can deplete stored carbohydrates, lowering the following season's yield and this can set the tree into a lifelong alternate bearing pattern. Southern California Hass Avocado groves have good soil and drainage, plentiful sunlight and cool gentle winds from the oceans which help the fruit grow. These conditions hold throughout the year, so there are always fresh harvests of Hass avocados in Southern California.[8]

Nutritional Value

Like all avocados, Hass avocados are high in healthy fats, vitamins C, E and B, potassium, and folic acid.

Amount Per 100 grams Calories 160 % Daily Value* Total Fat 15 g 23% Saturated fat 2.1 g 10% Polyunsaturated fat 1.8 g Monounsaturated fat 10 g Cholesterol 0 mg 0% Sodium 7 mg 0% Potassium 485 mg 13% Total Carbohydrate 9 g 3% Dietary fiber 7 g 28% Sugar 0.7 g Protein 2 g 4% Vitamin A 2% Vitamin C 16% Calcium 1% Iron 3% Vitamin D 0% Vitamin B-6 15% Vitamin B-12 0% Magnesium 7%


  1. ^ a b c d e f g h i j k Stradley, Linda (2004). "All About Avocados: History of the Hass Avocado". What'   Stradley is a well-known culinary author.
  2. ^ a b c d e f g h i "The Hass Mother Tree: 1926–2002".  
  3. ^ "Avocado History".  
  4. ^ California Avocado Society 1973-74 Yearbook 57: 70-71, What kind of fruit is the avocado?
  5. ^ a b  
  6. ^ "Avocado Tree's Demise Is the Pits for Growers; Fitting farewell sought for 'mother'". Los Angeles Times, September 7, 2003.
  7. ^ Paul Wilkes, Rudolph Hass' Son In Law. Dick Stewarts' Cousin
  8. ^ Avocado Plant Varieties | California Avocado Commission
This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.

Copyright © World Library Foundation. All rights reserved. eBooks from Project Gutenberg are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.